![Umbreon [GameStop] #130](https://storage.googleapis.com/images.pricecharting.com/611312d1f4b27144df8a44d2e00dc609f5544d27780c2ce56c0d74045cecf5c4/1600.jpg)
Pokemon Obsidian Flames · #130
Should You Grade?
Negative expected value ($-0.44) — while a PSA 10 would be profitable, the probability-weighted outcome across all grades means you lose money on average at this grading tier. The gem rate is only 26% — you'll need a very clean copy to hit PSA 10.
Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.
Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.